NASDAQ: CMPX
Compass Therapeutics Inc Stock Ownership - Who owns Compass Therapeutics?

Insider buying vs selling

Have Compass Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Neil LernerChief Accounting Officer2026-04-2915,000$1.89
$28.35kBuy
Neil LernerChief Accounting Officer2026-04-2915,000$1.89
$28.35kBuy
Neil LernerChief Accounting Officer2026-04-2915,000$1.89
$28.35kBuy
Jonathan AndermanGeneral Counsel2026-04-2925,000$1.89
$47.25kBuy
Jonathan AndermanGeneral Counsel2026-04-2925,000$1.89
$47.25kBuy
Jonathan AndermanGeneral Counsel2026-04-2925,000$1.89
$47.25kBuy
Thomas J. SchuetzCHIEF EXECUTIVE OFFICER2026-02-0836,687$6.52
$239.20kSell
Thomas J. SchuetzCHIEF EXECUTIVE OFFICER2026-01-0946,777$5.35
$250.26kSell
Barry ShinCFO2026-01-02125,000$5.17
$646.25kBuy
Neil LernerChief Accounting Officer2026-01-0262,500$5.17
$323.13kBuy

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Net Insider Buy/Sell (L12M) Ownership

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CMPX Shareholders

What type of owners hold Compass Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Tang Capital Management LLC9.32%16,790,809$32.41MInstitution
Orbimed Advisors LLC8.45%15,219,994$29.37MInsider
Carl L. Gordon8.45%15,219,994$29.37MInsider
Orbimed Advisors LLC8.45%15,219,994$29.37MInstitution
Suvretta Capital Management LLC7.94%14,307,379$27.61MInstitution
Vivo Capital LLC5.30%9,545,466$18.42MInstitution
Blackrock Inc5.28%9,506,080$18.35MInstitution
Adage Capital Partners GP LLC4.71%8,486,500$16.38MInstitution
Enavate Sciences GP LLC4.32%7,788,150$15.03MInstitution
Bvf Inc4.31%7,764,842$14.99MInstitution

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CMPX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CMPX80.75%19.25%Net BuyingNet Buying
FENC4.51%95.49%Net SellingNet Buying
PALI84.50%4.78%Net Buying
RGNX76.81%23.19%Net SellingNet Selling
IRD12.84%87.16%Net SellingNet Selling

Compass Therapeutics Stock Ownership FAQ

Who owns Compass Therapeutics?

Compass Therapeutics (NASDAQ: CMPX) is owned by 96.20% institutional shareholders, 22.93% Compass Therapeutics insiders, and 0.00% retail investors. Orbimed Advisors LLC is the largest individual Compass Therapeutics shareholder, owning 15.22M shares representing 8.45% of the company. Orbimed Advisors LLC's Compass Therapeutics shares are currently valued at $29.37M.

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